You may experience pain, discomfort, and infection with a curled toenail. Ingrown toenails are common and often affect your big toe. Emergency care may be needed if you notice red streaks on your ...

Toenail fungus often starts with mild nail discoloration or lifting. It’s not usually serious, but the nails may thicken, become brittle, or fall off without treatment. Nail fungus (onychomycosis) is ...